例句：

　　Their ire was directed mainly at the government.

　　他們的憤怒主要針對該政府。

　　The pike lives mainly in large rivers and lakes.

　　梭魚主要生活在大的江河湖泊里。

　　Her job is mainly concerned with sales and promotion.

　　她的工作主要是銷售和廣告宣傳方面的。

　　He eventually found his niche in sports journalism.

　　最后他在體育新聞界找到了理想的工作。

　　Political reporting has become a staple of American journalism.

　　政治報道已經成為美國新聞業的一個重要內容。

　　He began a career in journalism, working for the Rocky Mountain News.

　　他開始從事新聞事業，供職于落基山新聞報。